The Ringworld Engineers Larry Niven The Ringworld Engineers by Larry Niven Hugo 1981 · Finalist Sign in to put this book on your shelf. Prize history Hugo Award for Best Novel 1981 Finalist Hugo Award for Best Novel 1981 finalists The Snow Queen Joan D. Vinge The Snow Queen Joan D. Vinge Winner Beyond the Blue Event Horizon Frederik Pohl Beyond the Blue Event Horizon Frederik Pohl Lord Valentine’s Castle Robert Silverberg Lord Valentine’s Castle Robert Silverberg Wizard John Varley Wizard John Varley